Search a number
-
+
1013202001 = 7144743143
BaseRepresentation
bin111100011001000…
…011110001010001
32121121111222212001
4330121003301101
54033334431001
6244312234001
734052034460
oct7431036121
92547458761
101013202001
1147aa20729
1224339b901
13131bb0316
14987c69d7
155de3d001
hex3c643c51

1013202001 has 4 divisors (see below), whose sum is σ = 1157945152. Its totient is φ = 868458852.

The previous prime is 1013201953. The next prime is 1013202019. The reversal of 1013202001 is 1002023101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1013202001 - 27 = 1013201873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1013202101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72371565 + ... + 72371578.

It is an arithmetic number, because the mean of its divisors is an integer number (289486288).

Almost surely, 21013202001 is an apocalyptic number.

It is an amenable number.

1013202001 is a deficient number, since it is larger than the sum of its proper divisors (144743151).

1013202001 is an equidigital number, since it uses as much as digits as its factorization.

1013202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144743150.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1013202001 is about 31830.8341235350. The cubic root of 1013202001 is about 1004.3814419297.

Adding to 1013202001 its reverse (1002023101), we get a palindrome (2015225102).

The spelling of 1013202001 in words is "one billion, thirteen million, two hundred two thousand, one".

Divisors: 1 7 144743143 1013202001